<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>插入图像及相关属性应用</title>
    <style type="text/css">
       h4{
        font-size: 80px;
        color: #33cc33;
        font-family: 隶书；
       }
    </style>
</head>
<body>
    <h3 align="center">添加滚动文字</h3>
    <hr>
    <marquee ><h4>熊大啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊，你是真牛逼啊！！！！</h4></marquee>
</body>
</html>
